Ninja Arab is leaping across the sunbaked rooftops of Falluja, or Baghdad, or anyplace that honest, tender Chris Kyle must rid of savages. Slim and Satanic in his black pajamas, narrow-eyed and inscrutable under his black scarf and do-rag, Ninja Arab could presumably walk like a normal person toward his next lookout for wreaking heartless, inexplicable murder, but as the nemesis of Chris Kyle he must show some flair. Chris Kyle is known as the Legend. Though the movie he’s in is based on a true story—of that we’ve been assured—decorum requires that he repeatedly confront an equally legendary Ninja Arab, so that the two may face off, and one die, in a climactic shoot-out on the dusty streets. Or over them, to be precise.
Chris Kyle takes a manly,…